ZIP Code · TN

ZIP 37321

Part of Dayton, TN

Pop. 21,084·Rhea County·124th most expensive ZIP in Tennessee

Median rent (all units)

$1,250/mo

Year-over-Year

Stable

Month-over-Month

Stable

vs US Median

-$682

Reported rents

Stable (Monthly)

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Most AffordableMost Expensive

ZIP 37321 · $1,250

More affordable than 89% of US ZIP codes · National median $1,932/mo

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Medians by bedroom

Rent by unit size

Studio

$700

1 BR

$710

2 BR

$930

3 BR

$1,230

4 BR+

$1,360

Research median

$930/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: October 17, 2026

From the history

What the numbers show

What a typical income covers

30% of the median household income ($54,684) is $1,367 a month. That covers HUD's Fair Market Rent for up to a 4-bedroom ($1,360).

From Zillow's monthly rent index (ZORI) for ZIP 37321. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost

$15,000/yr

At $1,250/mo median

Location

CityDayton

StateTN

CountyRhea County

Rent Market Meter

Balanced Market

Renter's MarketBalancedLandlord's Market

Rents are roughly steady, with neither renters nor landlords holding a strong edge right now.

Based on rent-price momentum (+0.0% YoY, +0.1% MoM), not inventory.

Demographics

Who lives here

ZIP 37321 (Dayton, TN) is majority owner-occupied, has a median income below the national average, 19.3% of residents hold a bachelor's degree or higher.

Population

21,084

Median income

$54,684

Median age

40.2

Renters

33.4%

Age distribution

21.9%

22.2%

25.7%

12.6%

17.6%

Under 1821.9%

18–3422.2%

35–5425.7%

55–6412.6%

65+17.6%

Gender

51.2%

48.8%

Male51.2%

Female48.8%

Race & ethnicity

85.5%

White85.5%

Black1.3%

Hispanic8%

Asian1.1%

Other4.2%

Education (25+)

17%

39.9%

23.9%

19.3%

No HS diploma17%

HS diploma39.9%

Some college23.9%

Bachelor's+19.3%

Housing tenure

66.6%

33.4%

Owner66.6%

Renter33.4%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 37321 in Dayton, TN has changed in 5 years

Income

$49,310 → $54,684

up 10.9%

Population

20,498 → 21,084

up 2.9%

Renter share

29.7% → 33.4%

+3.7 pts

Bachelor's+

16.9% → 19.3%

+2.4 pts

Median age

37.1 → 40.2

+3.1 yrs

Census figures show median household income at $54,684 today, compared with $49,310 five years earlier. Census counts show ZIP 37321 in Dayton, TN adding about 586 residents over the five-year window, up 2.9% on net. The renter share has risen from 29.7% to 33.4%, with owner-occupied housing accounting for the remainder. Bachelor's-degree-or-higher attainment moved from 16.9% to 19.3% across the same window.

Community

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Local insights

Tips for renters in ZIP 37321

About renting in ZIP 37321

Last updated: October 17, 2026

ZIP code 37321 covers Dayton, TN. The median rent here is $1,250/mo as of October 2026. A 1-bedroom rents for a median of $710/mo. A 2-bedroom rents for a median of $930/mo.

At 27% of local median household income ($54,684/yr), ZIP 37321 ranks as affordable compared to the national benchmark of 30%. Rent prices have stayed steady over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 37321?

To keep rent at or below 30% of gross income, you would need to earn at least $50,000/year (about $24/hour full-time) to afford the median rent of $1,250/mo in ZIP 37321. The local median household income is $54,684/yr, so the typical household meets that bar.